PlainVitamins

Endurance

by Ryno Power · capsule · 5 capsules

  • On the market (NIH)
  • UPC 7 55918 30470 1
  • DSLD label 231328
  • Serving 5 capsules (1 packet (2 green, 3 yellow))
  • 25 servings

Endurance by Ryno Power lists 22 ingredients, 22 with an amount per serving of 5 capsules, such as 600 mcg of thiamine, 800 mcg of riboflavin, 8 mg of niacin and 600 mcg of vitamin B6. Its current label entered the NIH Dietary Supplement Label Database on July 23, 2020.

What is in Endurance?

Each row as the label prints it, per serving of 5 capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Endurance: Supplement Facts rows against the market (DSLD label 231328, January 2026 release)
IngredientAmount% DVAmong products listing it
Thiamineas Vitamin B1600 mcg40%Thiamin in Endurance against 9,830 products0.6 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg0.6 mg

89% of 9,830 products listing thiamin give more (median 5 mg).

Riboflavinas Vitamin B2800 mcg47%Riboflavin in Endurance against 9,824 products0.8 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg0.8 mg

88% of 9,824 products listing riboflavin give more (median 4 mg).

Niacinas Vitamin B38 mg40%Niacin in Endurance against 12,413 products8 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg8 mg

85% of 12,413 products listing niacin give more (median 20 mg).

Vitamin B6as Pyridoxal 5-PhosphateVitamin B6 (Form: from Pyridoxal 5-Phosphate)600 mcg30%Vitamin B6 in Endurance against 15,277 products0.6 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg0.6 mg

94% of 15,277 products listing vitamin B6 give more (median 6 mg).

Biotin200 mcg67%Biotin in Endurance against 9,447 products200 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg200 mcg

48% of 9,447 products listing biotin give more (median 200 mcg).

Pantothenic Acidas Calcium Pantothenate, Vitamin B54 mg40%Pantothenic Acid (Vitamin B5) in Endurance against 10,060 products4 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg4 mg

86% of 10,060 products listing pantothenic acid (vitamin B5) give more (median 12 mg).

Magnesiumas Magnesium Phosphate DibasicMagnesium (Form: from Magnesium Phosphate Dibasic)50 mg12%Magnesium in Endurance against 14,003 products50 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg50 mg

59% of 14,003 products listing magnesium give more (median 86 mg).

Chromiumas Chromium PicolinateChromium (Form: from Chromium Picolinate)400 mcg333%Chromium in Endurance against 7,825 products400 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg400 mcg

Higher than 93% of 7,825 products listing chromium (median 100 mcg).

L-Arginine Keto-Isocaproate400 mg
L-Ornithine Alpha-Ketoglutarate200 mgOrnithine ketoglutarate in Endurance against 97 products200 mg per serving; the middle half of products list 75 mg to 1,000 mg, the median 150 mg.200 mg

Higher than 54% of 97 products listing ornithine ketoglutarate (median 150 mg).

L-Glycine80 mgGlycine in Endurance against 1,078 products80 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.80 mg

76% of 1,078 products listing glycine give more (median 300 mg).

L-Carnosine30 mgCarnosine in Endurance against 154 products30 mg per serving; the middle half of products list 50 mg to 500 mg, the median 100 mg.30 mg

80% of 154 products listing carnosine give more (median 100 mg).

N,N-Dimethylglycine HCl50 mgDimethylglycine in Endurance against 157 products50 mg per serving; the middle half of products list 80 mg to 300 mg, the median 125 mg.50 mg

81% of 157 products listing dimethylglycine give more (median 125 mg).

Betaine Anhydrous120 mgBetaine Anhydrous in Endurance against 860 products0.12 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.0.12 g

91% of 860 products listing betaine anhydrous give more (median 1.5 g).

Vanadiumas Vanadium CitrateVanadium (Form: as Vanadium Citrate)800 mcgVanadium in Endurance against 1,744 products800 mcg per serving; the middle half of products list 10 mcg to 100 mcg, the median 25 mcg.UL 1,800 mcg800 mcg

Higher than 93% of 1,744 products listing vanadium (median 25 mcg).

Cordyceps CS-4as Cordycepic AcidCordyceps CS-4 (Form: minimum 7% Cordycepic Acid) PlantPart: mycelia biomass Genus: Cordyceps Species: sinensis600 mgCordyceps in Endurance against 450 products600 mg per serving; the middle half of products list 100 mg to 600 mg, the median 250 mg.600 mg

Higher than 73% of 450 products listing cordyceps (median 250 mg).

Rhodiola extractas RosavinsRhodiola extract (Form: minimum 5% Rosavins) PlantPart: root Genus: Rhodiola Species: rosea200 mgRhodiola in Endurance against 945 products200 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.200 mg

Higher than 63% of 945 products listing rhodiola (median 100 mg).

CarnoSynas Beta-Alanine500 mgBeta-Alanine in Endurance against 1,778 products0.5 g per serving; the middle half of products list 1.6 g to 3.2 g, the median 2 g.0.5 g

94% of 1,778 products listing beta-alanine give more (median 2 g).

Citrulline Malate250 mgCitrulline malate in Endurance against 655 products0.25 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.0.25 g

96% of 655 products listing citrulline malate give more (median 3 g).

Coenzyme Q1050 mgCoenzyme Q-10 in Endurance against 2,922 products50 mg per serving; the middle half of products list 30 mg to 100 mg, the median 60 mg.50 mg

53% of 2,922 products listing coenzyme Q-10 give more (median 60 mg).

R-Lipoic Acidas Sodium R-Lipoate25 mgAlpha Lipoic Acid in Endurance against 2,407 products25 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.25 mg

68% of 2,407 products listing alpha lipoic acid give more (median 50 mg).

Black pepper extract5 mgBlack Pepper in Endurance against 2,363 products5 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.5 mg

33% of 2,363 products listing black pepper give more (median 5 mg).

Actigin50 mg

Source: NIH ODS Dietary Supplement Label Database, label 231328 (entered July 23, 2020), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 89% of the 9,830 products that print an amount of thiamin list more than its 0.6 mg of thiamin (median 5 mg).
  • 94% of the 15,277 products that print an amount of vitamin B6 list more than its 0.6 mg of vitamin B6 (median 6 mg).
  • Its 400 mcg of chromium is higher than 93% of the 7,825 chromium products that print an amount; 391 list more.
  • 91% of the 860 products that print an amount of betaine anhydrous list more than its 0.12 g of betaine anhydrous (median 1.5 g).
  • Its 800 mcg of vanadium is higher than 93% of the 1,744 vanadium products that print an amount; 113 list more.
  • 94% of the 1,778 products that print an amount of beta-alanine list more than its 0.5 g of CarnoSyn (filed by NIH under beta-alanine) (median 2 g).

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested use: Take entire packet (2 green capsules, 3 yellow capsules) 45 minutes before physical activity
Warnings
Keep out of reach of children.
Contains caffeine from Guarana seed extract & natural Caffeine sources and should not be taken by those wishing to eliminate caffeine from their diet.
Warning: Do not use if you are pregnant, nursing, or if you are of risk of being treated for high blood pressure, heart, diabetes, stroke, or nervous disorders.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 231328.

What else is on the label?

Other ingredients: Vegetable Capsules, Natural Colors, Brown Rice powder.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Banned Substance Free.

How many labels does Endurance have?

2 labels are on file under this name since July 23, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 231328 (current) Entered July 23, 2020 · on the market · 5 capsules · UPC 7 55918 30470 1
  2. Label 231284 Entered July 23, 2020 · on the market · 125 capsules · UPC 6 54367 76884 6

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Ryno Power, Inc (manufacturer), San Diego, CA. All Ryno Power products.

Where next?